Answer:
D( the last) : The proportion of students who got their grandparents wired is about 0.52
Slimination
multiply first equaiton by 2
2x+6y=10
add to second equiaotn
2x-2x+6y-6y=10-10
0=0
this is true so therfor they are the same equaiton
so solve
x+3y=5
3y=-x+5
y=-1/3x+5/3
subsituter values for x and get valuse for y
if x=2 then y=1
Answer:
16.5
Step-by-step explanation:
7.5 x 2.2. formula of triangle = bh
Answer:
= √108 = 6√3
Step-by-step explanation: